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1022010313231 = 29149236521711
BaseRepresentation
bin11101101111101001000…
…11111100101000001111
310121200222122201012001101
432313310203330220033
5113221034120010411
62101301031523531
7133560240220315
oct16676443745017
93550878635041
101022010313231
113644831a6006
121460a52295a7
13754b52bbb1b
14376737100b5
151b8b8c308c1
hexedf48fca0f

1022010313231 has 8 divisors (see below), whose sum is σ = 1064347704000. Its totient is φ = 980145966240.

The previous prime is 1022010313217. The next prime is 1022010313271. The reversal of 1022010313231 is 1323130102201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022010313231 - 25 = 1022010313199 is a prime.

It is a super-2 number, since 2×10220103132312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022010313199 and 1022010313208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022010313271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118256535 + ... + 118265176.

It is an arithmetic number, because the mean of its divisors is an integer number (133043463000).

Almost surely, 21022010313231 is an apocalyptic number.

1022010313231 is a deficient number, since it is larger than the sum of its proper divisors (42337390769).

1022010313231 is a wasteful number, since it uses less digits than its factorization.

1022010313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236521889.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1022010313231 its reverse (1323130102201), we get a palindrome (2345140415432).

The spelling of 1022010313231 in words is "one trillion, twenty-two billion, ten million, three hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 29 149 4321 236521711 6859129619 35241734939 1022010313231